Exploring visual journalism

President Barack Obama

ATHENS, Greece (AP) — Greek riot police used tear gas and stun grenades in central Athens Tuesday to disperse about 3,000 left-wing marchers protesting a visit by President Barack Obama, after they tried to enter an area declared off-limits to demonstrators.More

On his first official visit to South Africa, U.S. President Barack Obama met the family of ailing former South African president Nelson Mandela on Saturday. Obama had reportedly wished to meet with Mandela himself, but the anti-apartheid hero has been in critical condition in a Pretoria hospital due to a lung infection. Outside the hospital and across the country, South Africans have been praying, leaving messages and lighting candles for their ill former president.

President Obama visited Moravia Park Elementary School, local manufacturer Ellicott Dredges and The Center for Urban Families in Baltimore Friday as part of his Middle Class Jobs and Opportunity Tour.More

Texas assesses the damage after being hit with tornadoes, the stars come out as the Cannes Film Festival gets underway, Free Syrian Army fighters fire rockets at president loyalist troops, the Museum of Modern Art (MoMA) in New York opens the “Rain Room” and more in today’s daily brief.